Examples of PEMParser

Examples of org.bouncycastle.openssl.PEMParser

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    }

    @Override
    public PublicKey readPublicKey(String algorithm, Reader rdr) throws CryptoException, IOException
    {
        PEMParser pp = new PEMParser(rdr);
        try {
            Object po = pp.readObject();
            if (log.isDebugEnabled()) {
                log.debug("Trying to read an {} public key and got {}", algorithm, po);
            }

            if (po instanceof SubjectPublicKeyInfo) {
                return convertPublicKey((SubjectPublicKeyInfo) po);
            }
            throw new CryptoException("Input data does not contain a public key");
        } finally {
            pp.close();
        }
    }
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Examples of org.bouncycastle.openssl.PEMParser

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     */
    @Override
    public PublicKey readPublicKey(String algorithm, Reader rdr)
        throws CryptoException, IOException
    {
        PEMParser pp = new PEMParser(rdr);
        try {
            Object po = pp.readObject();
            if (log.isDebugEnabled()) {
                log.debug("Trying to read an {} public key and got {}", algorithm, po);
            }

            if (po instanceof SubjectPublicKeyInfo) {
                SubjectPublicKeyInfo pk = (SubjectPublicKeyInfo)po;

                AlgorithmIdentifier alg = pk.getAlgorithm();
                if (!(alg.getParameters() instanceof ASN1Sequence)) {
                    throw new CryptoException("Invalid DSA public key format: Algorithm ID not a Sequence");
                }

                ASN1Sequence identifiers = (ASN1Sequence)(alg.getParameters());
                if (identifiers.size() != 3) {
                    throw new CryptoException("Invalid DSA public key format: Identifier does not have 3 items");
                }

                DERInteger p = (DERInteger)identifiers.getObjectAt(0);
                DERInteger q = (DERInteger)identifiers.getObjectAt(1);
                DERInteger g = (DERInteger)identifiers.getObjectAt(2);

                ASN1Primitive pkPrim = pk.parsePublicKey();
                if (!(pkPrim instanceof ASN1Integer)) {
                    throw new CryptoException("Invalid DSA public key format: Public key is not an integer");
                }
                DERInteger y = (DERInteger)pkPrim;

                try {
                    KeyFactory factory = KeyFactory.getInstance("DSA");
                    DSAPublicKeySpec pubSpec = new DSAPublicKeySpec(
                        y.getValue(),
                        p.getValue(),
                        q.getValue(),
                        g.getValue());
                    return factory.generatePublic(pubSpec);
                } catch (GeneralSecurityException gse) {
                    throw new CryptoException(gse);
                }
            }
            throw new CryptoException("Input data does not contain a public key");
        } finally {
            pp.close();
        }
    }
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Examples of org.bouncycastle.openssl.PEMParser

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        PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(keyPair.getPrivateKeyInfo().getEncoded());
        return KeyFactory.getInstance("RSA").generatePrivate(keySpec);
    }

    private static <T> T loadPEM(String keyPath) throws IOException {
        PEMParser parser = new PEMParser(new BufferedReader(new FileReader(keyPath)));
        return (T) parser.readObject();
    }
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Examples of org.bouncycastle.openssl.PEMParser

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  private final RSASha1SignatureService signatureService;

  public XeroOAuthService(Reader reader) {
    Security.addProvider(new BouncyCastleProvider());
    try (PEMParser pemParser = new PEMParser(reader)) {
      PEMKeyPair pair = (PEMKeyPair) pemParser.readObject();
      byte[] encodedPrivateKey = pair.getPrivateKeyInfo().getEncoded();
      KeyFactory keyFactory = KeyFactory.getInstance("RSA");
      PKCS8EncodedKeySpec privateKeySpec = new PKCS8EncodedKeySpec(encodedPrivateKey);
      PrivateKey privateKey = keyFactory.generatePrivate(privateKeySpec);
      signatureService = new RSASha1SignatureService(privateKey);
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